Home / 819,599.34-1,131,005.99-452,140.97

Finding the Fourth Proportional to 819,599.34, 1,131,005.99 and 452,140.97

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Solution

The fourth proportional to 819,599.34, 1,131,005.99 and 452,140.97 is: 623,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,599.34 : 1,131,005.99 = 452,140.97 : x
  2. Step 2: Convert to fraction form
    819,599.34/1,131,005.99 = 452,140.97/x
  3. Step 3: Cross multiply
    819,599.34x = 1,131,005.99 × 452,140.97
  4. Step 4: Simplify right side
    819,599.34x = 511,374,137,478.68
  5. Step 5: Solve for x
    x = 511,374,137,478.68/819,599.34
  6. Step 6: Final answer
    x = 623,931.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.